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Pest Manag Sci.. 2004 Feb
Potassium phosphate induces systemic protection in barley to powdery mildew infection
In laboratory tests, treatment of the first leaves of barley (Hordeum vulgare L cv Golden Promise) with potassium phosphate led to significant reduction in infection of the second leaves with the powdery mildew fungus Blumeria graminis f sp hordei Marchal, with a 25 mM treatment giving 89% reduction in infection. Although the optimal interval between…
J Pharm Sci. 1981 Mar
Absorption of orally administered sodium sulfate in humans
Sodium sulfate can be used to enhance the conjugation of phenolic drugs with sulfate and to treat hypercalcemia. It is thought that sulfate in is absorbed slowly and incompletely from the digestive tract. The purposes of this investigation were to determine the absorption of large amount of sodium sulfate (18.1 g as the decahydrate, equivalent…
Biol Pharm Bull. 2018 Jan
Administration of High-Dose Vitamin C and Irinotecan Ameliorates Colorectal Cancer Induced by Azoxymethane and Dextran Sodium Sulfate in Mice
High-dose vitamin C administration has been reported to exhibit antitumor effect in various mouse models of cancer. However, the underlying mechanism of antitumor effect against colorectal cancer remains to be elucidated. In this study, we investigated the antitumor effect of high-dose vitamin C in a mouse model of chronic inflammation-associated colorectal cancer induced by azoxymethane…
Carbohydr Polym. 2019 Mar
Inhibition of dextran sodium sulfate-induced colitis in mice by baker’s yeast polysaccharides
Most of the reported yeast polysaccharides are a mixture of chitin, β-glucan and mannoprotein, leading to different biological activities. Herein, we report the structures and the anti-inflammation of the purified baker’s yeast polysaccharides (BBG1-BBG4). Experimental data indicated that BBG1 was a highly branched β-(1,6)-glucan linked to mannoprotein; BBG2 was a linear β-(1,3)-glucan; BBG3 and BBG4…
Carbohydr Polym .. 2019 Apr
Structure-activity relationship of propylene glycol alginate sodium sulfate derivatives for blockade of selectins binding to tumor cells
Selectins dominate the formation of the metastasis niche and are considered important targets for exploring antimetastatic drugs. In this study, we evaluated the effect of the marine drug propylene glycol alginate sodium sulfate (PSS) and a series of PSS derivatives on P-, L- or E-selectin-mediated binding with tumor cells. We found that PSS effectively prevented…
Prep Biochem Biotechnol. 2019 Jan
Partial characterization of Bacillus pumilus catalase partitioned in poly(ethylene glycol)/sodium sulfate aqueous two-phase systems
Aqueous two-phase partitioning system (ATPS) was used to extract and purify catalase from Bacillus pumilus. The system parameters for effective purification of catalase were optimized. The best catalase recovery (123%) with a 4.6-fold purification was obtained in the bottom phase of ATPS including the mixture of 15% (w/w) PEG4000, 10% (w/w) Na2SO4 and 3% (w/w) NaCl…
Free Radic Biol Med. 2019 May
In vivo redox imaging of dextran sodium sulfate-induced colitis in mice using Overhauser-enhanced magnetic resonance imaging
In ulcerative colitis, an inflammatory bowel disease of unknown cause, diagnosis of the degree and location of colitis at an early stage is required to control the symptoms. Changes in redox status, including the production of reactive oxygen and nitrogen species (RONS), have been associated with ulcerative colitis in humans and dextran sodium sulfate (DSS)-induced…
Biomol Ther (Seoul) . 2019 Mar
Decursinol Angelate Ameliorates Dextran Sodium Sulfate-Induced Colitis by Modulating Type 17 Helper T Cell Responses
Angelica gigas has been used as a Korean traditional medicine for pain relief and gynecological health. Although the extracts are reported to have an anti-inflammatory property, the bioactive compounds of the herbal plant and the effect on T cell responses are unclear. In this study, we identified decursinol angelate (DA) as an immunomodulatory ingredient of…
Front Pharmacol. 2019 Feb
Protective Effects of Protegrin in Dextran Sodium Sulfate-Induced Murine Colitis.
Cathelicidins, a class of antimicrobial peptides, have been widely studied for their antimicrobial role in innate immune responses during infection and inflammation. At sub-antimicrobial concentrations, various cathelicidins from different species have been reported to exert chemotactic activity on neutrophils, monocytes, dendritic cells and T-cells, and also enhance angiogenesis and wound healing. To date, the role…
Journal of Controlled Release. 1996 Aug